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on 2/28/05 8:32 AM, David Jones at drj@pobox.com wrote:
> Show me some code that might use math.nan.  if x == math.nan ?  I don't
> think so.
    x = 0
    for index = 1, 100 do
        x = x + ( t[ index ] or math.nan )
    end
Any missing indices will result in a sum of NaN.
Mark